The handheld cell jammerJYT-PJ03 is a palm-sized design and includes all kinds of mobile phone signals including the 3G which can be jammed effectively. It has an effective blocking range of up to 20 meters (depending on signal strength), which helps to prevent disturbances or noises from mobile phone calls during meetings, restaurants, museums, and etc. 3 antennas are detachable and it's convenient to bring this portable device with you.

The internal rechargeable battery is included along with a car cigarette adapter. You can easily charge the battery in your car.

Specifications
Technical Specifications
Output power: 2.7 watt
Maximum effective range: 20 meters
Antenna: External,Omnidirectional
Power suply: AC 110-240V, DC 12V
Working temparature: ?15°C to +60°C
Working humidity: 5%-80%
Jamming System
Analog: NMT,TACS,AMPS
Digital: 3G,GSM,CDMA,DCS,PHS,PDC,PCS,TDMA,iDEN
Jamming Frequencies (American Version)
850-960 MHz: GSM 850, GSM 900, CDMA, CDMA 800, iDEN, TDMA, AMPS
1805-1990 MHz: GSM, GSM1800, GSM 1900, CDMA 1900,PHS, PCS, NEXTEL
2110-2170 MHz: 3G, CDMA 2000, UMTS, WCDMA, T-SCDMA
Jamming Frequencies (European Version)
925-960 MHz: GSM 900
1805-1880 MHz: DCS,GSM 1800
2110-2170 MHz: 3G, CDMA 2000, UMTS, WCDMA, T-SCDMA
Physical Specifications
Product size: 112x61x31 mm
Product weight: 252 g
Package size: 280x145x75 mm
Package weight: 583 g
Battery
Type: Lithium-Ion
Capacity: 1800 mAh
Charging time: 3 hours
Working time: 1.5 hours
Package Contents
AC/DC adapter: 1 unit
Car adapter: 1 unit